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3 years ago

What is the solution to the system of equations below? x + 3 y = 15 and 4 x + 2 y = 30 (7 , 2) (2, 7) (4, 3) (3, 4)

Mathematics

1 answer:

DanielleElmas [232]3 years ago

3 0

Here you go! Hope this helps!

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The discriminant of a quadratic equation has a value of 0. Which of the

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A is correct

Step-by-step explanation:

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A prism is filled with 60 cubes with 1/2 unite side length

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3 years ago

Write the mixed number as a decimal. 1 5/8

likoan [24]

Answer:

1.625

Step-by-step explanation:

The decimal of 5/8 is 0.625.

We can then add 1 to it, since it is a whole number

Therefore, we have 1 + 0.625 = 1.625

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morgan poured 9/10 liter of punch into each of 6 bottles how many liters of punch did she pour in all

drek231 [11]

Answer:

5 and 2/5 liters or 5.4 liters

Step-by-step explanation:

9/10 times 6

9 times 6 is 54. 54 divided by 10 is 5.4 which is the same as 5 and 2/5

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3 years ago

The battery on McKenzies old computer can last 4(1/5) hours. She bought a new computer that has a battery that can last 40% long

Solnce55 [7]

Answer:

$5\frac{22}{25}\ hours$

Step-by-step explanation:

we know that

$4\frac{1}{5}\ hours=\frac{4*5+1}{5}=\frac{21}{5}\ hours$

$100\%+40\%=140\%=\frac{140}{100}$

Let

x ------> new battery life

The equation that represent this situation is

$x=\frac{140}{100} (\frac{21}{5})=\frac{2,940}{500}\ hours$

convert to mixed number

$\frac{2,940}{500}=\frac{2,500}{500}+\frac{440}{500}=5\frac{22}{25}\ hours$

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3 years ago